AntiqueAdvertising.com vs GZ Auctions
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AntiqueAdvertising.com
Participate in live auctions from your mobile device. Browse catalogs, bid in real-time, and manage your favorite items. Never miss an auction with convenient updates and alerts.
- Real-time bidding
- Catalog browsing
- Favorite item saving
- Auction alerts
- Mobile payments
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Now AntiqueAdvertising.com offers the ability to take our auctions to your fingertips with catalogs descriptions, photos, real time bidding, updates and alerts all from your phone or tablet. View catalogs, register, save your favorite lots, bid and pay all in one convenient place and never miss an auction again. Take you auction experience on the go anytime, anywhere from the convenience of your tablet or phone.
GZ Auctions
This app allows collectors to buy and sell a wide range of items, from fine art to luxury goods. Users can preview, bid live, and track their auction activity directly from their mobile devices. It offers personalized services for sellers and a fair, professional experience for buyers.
- Preview upcoming lots
- Bid live with swipe interface
- Leave absentee bids
- Track bidding activity
- Watch live sales
- View sales calendar
- Quick registration
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Grant Zahajko Auctions gives collectors the chance to sell/buy items from fine art to sports collectibles, historical memorabilia to luxury items! For buyers, we are always striving to offer interesting objects for all levels of collecting in the most fair and professional manner to all. For sellers, we offer personalized & confidential auction services reaching millions making every effort to get your items maximum exposure worldwide. With the Grant Zahajko Auction app you can preview, watch, and bid in our auctions all from your mobile phone or tablet. Participate in our sales while on the go or at your leisure from your mobile device and gain access to the following features: - Quick registration - Follow upcoming lots and receive push notifications to ensure you never miss a chance to bid - Leave absentee bids - Bid live using our simple “swipe to bid” interface - Track your bidding activity - Watch live sales - View calendar of past and future sales
Screenshots
Verdict
The clearest difference is rating: AntiqueAdvertising.com at 4.3 against GZ Auctions's 3.7. On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AntiqueAdvertising.com holds the better App Store score, 4.3 against 3.7. Both are backed by a comparable volume of ratings — 6 and 3 respectively.
AntiqueAdvertising.com ships an update every 10 months, GZ Auctions every 15 months. The most recent releases landed on June 12, 2026 and June 25, 2026 respectively.
| Parameter | AntiqueAdvertising.com | GZ Auctions |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | 3 |
| Update frequency | Every 10 months — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 135 MB | 136 MB |
| Age rating | 9+ | 9+ |
| Developer | Antique Advertising LLC | Grant Zahajko Auctions LLC |
Customer experience
AntiqueAdvertising.com
GZ Auctions
In-app purchases
AntiqueAdvertising.com
No in-app purchases
GZ Auctions
No in-app purchases
